222 - Section indicator figure
Ds - Course made good during last three hours
Code True direction
0 Ship stopped
1 NE
2 E
3 SE
4 S
5 SW
6 W
7 NW
8 N
9 No information
vs - Speed made good during last three hours
Code Speed (knots)
0 Ship stopped
1 1 to 5
2 6 to 10
3 11 to 15
4 16 to 20
5 21 to 25
6 26 to 30
7 31 to 35
8 36 to 40
9 Over 40
- Course and speed are mandatory
to report only when reporting ice accretion and/or ice
(selected ships must always report course and speed).